31345130

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 57618000

約数和(自身を除く): 26272870

約数列:

[1, 2, 5, 10, 109, 149, 193, 218, 298, 386, 545, 745, 965, 1090, 1490, 1930, 16241, 21037, 28757, 32482, 42074, 57514, 81205, 105185, 143785, 162410, 210370, 287570, 3134513, 6269026, 15672565, 31345130]

約数ペア:

[(1, 31345130), (2, 15672565), (5, 6269026), (10, 3134513), (109, 287570), (149, 210370), (193, 162410), (218, 143785), (298, 105185), (386, 81205), (545, 57514), (745, 42074), (965, 32482), (1090, 28757), (1490, 21037), (1930, 16241)]